Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
thai cua » than cua, tai cuc, tri cua
van hanh » van thanh, ban hanh, van anh
cua tre » cua te, cuu tre, cua triet
cac xuc » cam xuc, chat xuc, cac cuoc
hieu ve » hieu va, hieu van
san ky » sang ky, van ky, dan ky
co hai » co dai, co hoi, o hai
tu san » thu san, tu ban, tu can
o hoi » co hoi, o hoc, o hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky nang ((o hoi) or (co hai)). hieu ve ((cac xuc) or (cac nuoc)) van hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang ((o hoi) OR (co hai)). hieu ve ((cac xuc) OR (cac nuoc)) van hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang ((o hoi) or (co hai)). hieu ve ((cac xuc) or (cac nuoc)) van hanh thai cua tre*.